Fire Alarm Systems

Category: Fire Alarm Systems

Course Description

A fire incident is the worst nightmare for any operating company; fire and gas detection systems are deployed to continuously monitor plant activity and in case of hazardous conditions initiate appropriate actions. These systems need to work from the detection of hazardous gases up to a proper plant shutdown. They are critical to plant safety and their efficiency and reliability is of utmost concern not only to plant operators but also to the environmental & business insurance authorities. These systems require a high level of expertise and detailed design and integration to perform effectively.

Fire and gas detection design techniques that are currently in use are often considered to be unsatisfactory due to their nature of being rule-of-thumb and experience-oriented without any real ability to quantify risk. This has resulted in systems that are either over- or under-designed. The development of ISA-TR-84.00.07 resulted in a comprehensive framework for performance-based fire and gas design. This training course describes the techniques recommended in this technical report, along with hands-on use of the techniques and associated software tools. This training course has been designed to cover an introduction to the fire and gas system, including associated hardware and wiring.  In addition to covering the hardware, the training course will explore the required software logic that must be programmed into the system to meet the needs of the plant’s shutdown philosophy. Upon completion of the training course, participants will have a better understanding of the operations, maintenance, and testing associated with a fire and gas system.

Benefit of Attending

By the end of this training course, participants will be able to:

  • Describe the main types of smoke detectors and their working principle
  • Understand the working principle of the different types of heat detectors
  • Describe the function of VESDA system
  • Know the typical loop architecture of smoke/ heat detectors
  • Describe different types of fire detectors and their principle of operation
  • Specify appropriate type of fire detector for the service
  • Describe the purpose of Optical Integrity optional
  • Troubleshoot and identify problems with fire & gas monitoring systems
  • Describe the principal of operation of Hydrocarbon Gas Detectors

Who Should Attend

This training course is intended for all process control engineers and technicians, process control designers and systems engineers, instrumentation and control system engineers, plant engineers, maintenance engineers and supervisors, HSE engineers, electrical and instrumentation supervisors and technicians and those who wish to gain a solid introduction to fire & gas detection system.

This training course is suitable to a wide range of professionals but will greatly benefit:

  • Fire Systems personnel / end users and Fire Responders
  • System Design, Fire Protection and Loss Prevention Engineers
  • Safety Professionals working in Health, Safety and Environmental Protection
  • Instrument and electrical technicians and engineers

Course Design

This training course will utilise a variety of proven adult learning techniques to ensure maximum understanding, comprehension and retention of the information presented.  This includes lectures (slides, demo, videos), questions, discussion (brainstorming) and assessment

Course Outline

  • Planning the system
  • The role of fire risk assessment and fire engineering (BS 5839-1, NFPA 72)
  • Type of system
  • Servicing arrangements – planning flowchart and category
  • The meaning of a detection zone and alarm zone
  • The purpose of detection zones, configuration guideline and detection zone safeguards
  • Conventional systems
  • Detection zones
  • Detectors and call points
  • Addressable systems – detectors and call points and digital addressable systems
  • Operation of analogue addressable detectors
  • General fire system engineering principles – detector selection and types
  • Siting of manual call points
  • Categories of false alarm and causes
  • Requirements for service technicians
  • Protection against electromagnetic interference
  • Performance monitoring of newly commissioned systems, system management, servicing and maintenance
  • Audible alarms in noisy areas, alarm zones and external fire alarm devices
  • Siting of control and indicating equipment
  • Location of origin of the fire and Security of control equipment
  • Networked control panels, mains supply-standby supply; life protection and property protection
  • Calculation of standby battery capacity
  • Recommended cable types and mechanical protection of cables
  • Segregation
  • Automatic transmission of alarm signals and category
  • Methods of automatic transmission
  • Standards for alarm receiving centres and siting of equipment
  • Installation work, inspection, testing, commissioning and handover
  • Routine testing
  • Servicing